Present
| I | fret |
| You | fret |
| She | frets |
| We | fret |
| They | fret |
Past
| I | fretted |
| You | fretted |
| She | fretted |
| We | fretted |
| They | fretted |
Perfect
| I | have | fretted |
| You | have | fretted |
| She | has | fretted |
| We | have | fretted |
| They | have | fretted |
Future
| I | will | fret |
| You | will | fret |
| She | will | fret |
| We | will | fret |
| They | will | fret |
Past Perfect
| I | had | fretted |
| You | had | fretted |
| She | had | fretted |
| We | had | fretted |
| They | had | fretted |
Future Perfect
| I | will | have | fretted |
| You | will | have | fretted |
| She | will | have | fretted |
| We | will | have | fretted |
| They | will | have | fretted |
Present - Conditional
| I | would | fret |
| You | would | fret |
| She | would | fret |
| We | would | fret |
| They | would | fret |
Perfect - Conditional
| I | would | have | fretted |
| You | would | have | fretted |
| She | would | have | fretted |
| We | would | have | fretted |
| They | would | have | fretted |